Finding the Fourth Proportional to 896,210.12, 1,236,381.38 and 533,430.56
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Solution
The fourth proportional to 896,210.12, 1,236,381.38 and 533,430.56 is: 735,902.88
Step by Step Solution
- Step 1: Write the proportion equation
896,210.12 : 1,236,381.38 = 533,430.56 : x - Step 2: Convert to fraction form
896,210.12/1,236,381.38 = 533,430.56/x - Step 3: Cross multiply
896,210.12x = 1,236,381.38 × 533,430.56 - Step 4: Simplify right side
896,210.12x = 659,523,611,906.97 - Step 5: Solve for x
x = 659,523,611,906.97/896,210.12 - Step 6: Final answer
x = 735,902.88
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.